Home / 77,771.84-116,538.90-52,377.45

Finding the Fourth Proportional to 77,771.84, 116,538.90 and 52,377.45

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Solution

The fourth proportional to 77,771.84, 116,538.90 and 52,377.45 is: 78,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771.84 : 116,538.90 = 52,377.45 : x
  2. Step 2: Convert to fraction form
    77,771.84/116,538.90 = 52,377.45/x
  3. Step 3: Cross multiply
    77,771.84x = 116,538.90 × 52,377.45
  4. Step 4: Simplify right side
    77,771.84x = 6,104,010,407.81
  5. Step 5: Solve for x
    x = 6,104,010,407.81/77,771.84
  6. Step 6: Final answer
    x = 78,486.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.